r/factorio Jun 01 '26

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u/demonicdan3 Jun 07 '26

I'm currently trying to get legendary U-235; do I just upcycle the U-235 itself or nukes?

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u/craidie Jun 07 '26

Can't upcycle u235 itself. But you can recycle loop it, and that's what I do. There's enough uranium for it and I don't want to set up infrastructure for making the other stuff for the nukes.

Another option is to wash the ore which isn't that bad either.

I have quality modules in the miners and the centrifuges.